From: Prevalence of and risk factors for severe cognitive and sleep symptoms in ME/CFS and MS
Variable | Odds Ratio | 95% confidence interval | p value |
---|---|---|---|
Age < 30 | 1.00 | - | 0.731 |
Age 30–39 | 0.94 | 0.18–4.79 |  |
Age 40+ | 0.47 | 0.10–2.16 |  |
Male | 1.00 | - | 0.424 |
Female | 0.58 | 0.15–2.23 |  |
Income < £15,000 | 1.00 | - | 0.756 |
Income > = £15,000 | 0.67 | 0.05–8.64 |  |
No alcohol (six months before) | 1.00 | - | 0.21 |
Alcohol <14 units/week (six months before disease onset) | 0.53 | 0.11–2.49 |  |
Alcohol ≥14 units/week (six months before disease onset) | 0.28 | 0.04–2.09 |  |
No smoking | 1.00 | - | 0.93 |
Ex-smoker | 0.79 | 0.18–3.53 |  |
Current smoker | 0.96 | 0.21–4.42 |  |
No depression before symptoms | 1.00 | - | 0.009 |
Depression before symptoms | 7.25 | 1.65–31.8 |  |